Thank you, I am new to R, and this forum. Aevent does not exist. I will also try to post a better subject next time. -- View this message in context: http://r.789695.n4.nabble.com/Error-in-variable-converted-to-a-factor-AND-tmp-tp4305951p4308803.html Sent from the R help mailing list archive at Nabble.com.